codekingpro/portable-devtools

1const { join, sep } = require('path')
2
3const getOptions = require('./common/get-options.js')
4const { mkdir, mkdtemp, rm } = require('fs/promises')
5
6// create a temp directory, ensure its permissions match its parent, then call
7// the supplied function passing it the path to the directory. clean up after
8// the function finishes, whether it throws or not
9const withTempDir = async (root, fn, opts) => {
10  const options = getOptions(opts, {
11    copy: ['tmpPrefix'],
12  })
13  // create the directory
14  await mkdir(root, { recursive: true })
15
16  const target = await mkdtemp(join(`${root}${sep}`, options.tmpPrefix || ''))
17  let err
18  let result
19
20  try {
21    result = await fn(target)
22  } catch (_err) {
23    err = _err
24  }
25
26  try {
27    await rm(target, { force: true, recursive: true })
28  } catch {
29    // ignore errors
30  }
31
32  if (err) {
33    throw err
34  }
35
36  return result
37}
38
39module.exports = withTempDir
40